The Big Bang Theory 8.5 A woman who moves into an apartment across the hall from two brilliant but socially awkward physicists shows them how little they know about life outside of the laboratory. Johnny Galecki / Jim Parsons / Kaley Cuoco-Sweeting / Simon Helberg / Kunal Nayyar / Melissa Rauch / Mayim Bialik Released (2007-) Seasons 12 seasons Status returning series Add to watch list